datamoudle.cpp

来自「机器须安装SQL Server2000 程序安装完之后」· C++ 代码 · 共 55 行

//---------------------------------------------------------------------------

#include <vcl.h>
#pragma hdrstop

#include "DataMoudle.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TDM *DM;
//---------------------------------------------------------------------------
__fastcall TDM::TDM(TComponent* Owner)
    : TDataModule(Owner)
{
}
//---------------------------------------------------------------------------

/*//功能： 返回指定表的主键
//
int TDataModule2::GetID(int i)
{
    int i_pk=0;

    if (cdsQuery->State != dsInactive) cdsQuery->Close();
    cdsQuery->CommandText="";

    switch (i)
    {
      case 1:
      {
        cdsQuery->CommandText = " select max(id) as maxid from Regin";
        cdsQuery->Active = true;
        if (cdsQuery->RecordCount >0 )
            i_pk = cdsQuery->FieldByName("maxid")->AsInteger;
        i_pk++;
      };
      break;

    }
    if (cdsQuery->State != dsInactive) cdsQuery->Close();
    return i_pk;
}


*/